更多"The donkey boiler may be given a bo"的相关试题:
[单项选择]A donkey boiler is （）.
A. one to supply steam to the main propulsion turbine
B. an auxiliary boiler
C. A and B
D. neither A nor B
[单项选择]Bottom blow valves are installed on auxiliary water-tube boilers to （）
A. completely drain the boiler in an emergency
B. prevent sludge from forming in the drum
C. remove floating impurities from the boiler water surface
D. remove settled solids from the water drum
[单项选择]When the order given by bridge may have bad results, the duty engineer should（）
A. inform the captain for a further consideration, then perform it
B. inform the captain, and not perform it
C. stop the M/E immediately, and then inform the chief engineer
D. stop the M/E immediately, and then inform the captain
[单项选择]Bottom stowage on board a ship is usually given to（）.
A. dry cargoes
B. heavy cargoes
C. delicate cargoes
D. the cargoes bound for the first port of call
[单项选择]The amount of LFG that may be loaded into a given tank is determined by（）.
A. checking the loading sheet
B. loading to within 1 percent of outage
C. loading to within 10 percent of the safety relief valve setting
D. filling to the maximum level indicated on the liquid level gaging device
[单项选择]The southeast trade winds actually blow toward the（）.
A. Southeast
B. South
C. East
D. Northwest
[单项选择]A conscious victim who has suffered a blow to the head has symptoms that indicate the possibility of concussion. If the patient feels no indication of neck or spine injury，recommended treatment would include（）.
A. turning the victims's head to the side to keep his airway open
B. positioning the victim so the head is lower than the body
C. giving the victim water if he is thirsty，but no food
D. elevating the head and shoulders slightly with a pillow
[单项选择]Diesel engine blow-by is the leakage of combustion gases past the （）
A. oil rings only
B. compression and scraper rings
C. cylinder liner sealings
D. cylinder liner ring grooves
[单项选择]Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring（）
A. back
B. side
C. gap
D. bottom
[单项选择]In a diesel engine, blow-by（）
A. increase exhaust back pressure
B. causes excessive crankcase pressure
C. can only be detected by a compression check
D. decreases fuel consumption
[单项选择]（） blow more or less constantly（except when monsoons prevail）throughout all seasons at a mean speed of around 14 knots and are generally strongest in the late winter.
A. Trade Winds
B. Winds of the temperate zones
C. Monsoons
D. Land and Sea Breezes
[单项选择]Blow-off of the relief valves of the main cylinders during operation indicates （）.
A. the cylinder cover is cracked
B. the injector holes is clogged
C. the cams are not properly set
D. fuel pump is leaking
[单项选择]Blow-off of the relief valves of the engines cylinders may be caused by （）.
A. too low lead
B. water in fuel
C. too tight spring
D. leakage
[单项选择]（） will be used to blow away the combustion products from the tube surfaces.
A. The blow down valve
B. The scum valve
C. The air release cock
D. The soot-blower
[单项选择]（） will be used to blow away soot and the combustion products from the tube surfaces.
A. The blow down valve
B. The scum valve
C. The air release cock
D. Scot-blower
[单项选择]The（）enables water to be blow down or emptied from the boilerIt may be used when partially or completely emptying the boiler.
A. main stem stop valve
B. auxiliary steam stop valve
C. feed check or control valve
D. blow down valve
